TREA

Mutsumi Takahashi

Follow

Person

  • Kawasaki, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Longitudinal profile measuring apparatus
    • Patent number 6,618,954
    • Issue date Sep 16, 2003
    • Tokimec Construction Systems Inc.
    • Masakuni Kumazawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Back-reflection type light diffusing apparatus
    • Patent number 4,673,254
    • Issue date Jun 16, 1987
    • Tokyo Keiki Co., Ltd.
    • Kuniaki Kato
    • G02 - OPTICS
  • Information Patent Grant

    Optical character reader
    • Patent number D277006
    • Issue date Jan 1, 1985
    • Tokyo Keiki Company Limited
    • Mutsumi Takahashi
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Check digit calculator
    • Patent number 4,419,572
    • Issue date Dec 6, 1983
    • Tokyo Keiki Company Ltd.
    • Mutsumi Takahashi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Check digit calculator
    • Patent number 4,272,674
    • Issue date Jun 9, 1981
    • Tokyo Keiki Company Ltd.
    • Mutsumi Takahashi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Numbering machine with check digit function
    • Patent number 4,265,173
    • Issue date May 5, 1981
    • Tokyo Keiki Company Ltd.
    • Mutsumi Takahashi
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents